How to install iOS 15 beta on iPhone and iPad

beta profile ios 15Hello, How can I install iOS 15 and above as a beta profile on iPhone 6? Without jailbreak or any tweaks. The beta profile must be orinal.Help make the next releases of iOS, iPadOS, macOS, tvOS, watchOS and HomePod software our best yet. As a member of the Apple Beta Software Program, you can take part in shaping